On the flip side, this does bring in to play the businesses that don't have web sites, as they may rely on those 3rd party sites for their primary phone leads, but does this matter to the consumer using the web to search in the first place?

If most prospects are like me, they click through to the directory if it looks promising and dismiss every listing without a website. It's 2013, if you don't have an online presence I'll only take you seriously if you're one of these legendary old hermit artisans everyone wants. And even those guys are getting online now.